Re: [U-Boot] [PATCH v3 1/4] sun7i: Add support for taking CPUs offline via PSCI

2015-01-07 Thread Ian Campbell
On Wed, 2014-12-31 at 13:46 +0100, Jan Kiszka wrote: > From: Jan Kiszka > > Based on the original version by Marc Zyngier. It adds a psci_cpu_off > implementation for the A20 SoC. The mechanism works by first preparing > the calling CPU to go offline (disable and flush cache, disable SMP), > then

[U-Boot] [PATCH v3 1/4] sun7i: Add support for taking CPUs offline via PSCI

2014-12-31 Thread Jan Kiszka
From: Jan Kiszka Based on the original version by Marc Zyngier. It adds a psci_cpu_off implementation for the A20 SoC. The mechanism works by first preparing the calling CPU to go offline (disable and flush cache, disable SMP), then requesting CPU 0 to pull the plug. The request is sent as FIQ on